Conor McGregor is back in the USADA testing pool, but it might not matter as UFC plans to drop USADA | CBS Sports Headlines Conor McGregor is back in the USADA testing pool, but it might not matter as UFC plans to drop USADA The sanctioning body could not come … Continue reading Conor McGregor is back in the USADA testing pool, but it might not matter as UFC plans to drop USADA